GENERAL KNOWLEDGE

GK

SOLAR SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The primary force behind planetary orbits is
A
magnetism
B
gravity.
C
friction
D
electricity.
Explanation: 

Detailed explanation-1: -Gravity is what holds the planets in orbit around the sun and what keeps the moon in orbit around Earth. The gravitational pull of the moon pulls the seas towards it, causing the ocean tides. Gravity creates stars and planets by pulling together the material from which they are made.

Detailed explanation-2: -Gravitational force acts between bodies with mass. The Earth and all other planets revolve in orbits because of the pull of the Sun’s gravitational force on them.

Detailed explanation-3: -Orbits are the result of a perfect balance between the forward motion of a body in space, such as a planet or moon, and the pull of gravity on it from another body in space, such as a large planet or star.

There is 1 question to complete.